Marie Osmond Is a Grandma
PHOTO: Marie Osmond attends news conference at the Flamingo Las Vegas, Oct. 2, 2013 in Las Vegas, Nevada.

(Photo credit: Mindy Small/FilmMagic)

Marie Osmond's family is expanding!

The singer, 54, announced on Twitter Thursday that she had become a first-time grandmother.

"Hey everyone … I just became a GRANDMA!!!!!!!!" she wrote. "It's a boy!"

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In June, Osmond announced on "The Talk" that her son Stephen and his wife, Claire, were expecting a baby.

"I am so excited I'm going to be a grandma," Osmond said. "I just can't wait. We went in for my son - for his birthday - he turned 30, which is amazing 'cause I'm 29. He blew out the candles and then blew me away and said, 'You're gonna be a grandma!' It was really fun."

Hey everyone … I just became a GRANDMA!!!!!!!!????

- Marie Osmond (@marieosmond) December 19, 2013

It's a boy! ?

- Marie Osmond (@marieosmond) December 19, 2013

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